Mesa 7i92 to BOB all home switch

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04 May 2022 13:27 #241977 by aabtech
   
I Have been try to all home axis and am using 
Pin 15 on BOB and IO 003 on 7i92. But it is not working
it gives me the message above.
 
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04 May 2022 13:53 - 04 May 2022 14:09 #241980 by PCW
Did you look at GPIO3 with halmeter
or halshow --> watch to see if its:

1. Working
2. Has the needed polarity
Last edit: 04 May 2022 14:09 by PCW.

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04 May 2022 14:26 #241982 by tommylight
Input pins in the hal file for Mesa 7i92 should normally have "_not" added:
# --- BOTH-HOME-X ---
net both-home-x    <=  [HMOT](CARD0).gpio.016.in
should be:
# --- BOTH-HOME-X ---
net both-home-x    <=  [HMOT](CARD0).gpio.016.in_not

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04 May 2022 15:39 #241986 by aabtech
Yes the pin is working correctly .
I tested each switch with BOB pin 15 and it was working but if I add all together it doesn't work.

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04 May 2022 17:29 #241990 by tommylight
All 3 switches to one single input?
You should explain that on the original post.
How are the switches wired and are thy normally closed or normally opened?

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04 May 2022 18:41 - 04 May 2022 18:47 #241992 by aabtech
  My Z axis uses micro limit switch and my X and Y uses NPN proximity sensor. A join all the 3 to one pin. 
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Last edit: 04 May 2022 18:47 by aabtech.

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04 May 2022 19:09 #241995 by rodw
you need HOME_IS_SHARED=1 in your ini file for all shared homing joints
Ref: linuxcnc.org/docs/devel/html/config/ini-...html#_home_is_shared

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23 May 2022 14:50 - 23 May 2022 15:04 #243618 by aabtech
It is working, my HOME_IS_SHARED=1 in the INI was 1 and I made it 0.thanks very much.
 
Last edit: 23 May 2022 15:04 by aabtech.

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